Don’t use DYLD_INSERT_LIBRARIES with a system executable

snapshot/snapshot_test.gyp

 # Copyright 2014 The Crashpad Authors. All rights reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
 #     http://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
@@ skipping 62 matching lines @@
         'mac/process_reader_test.cc',
         'mac/process_types_test.cc',
         'mac/system_snapshot_mac_test.cc',
         'minidump/process_snapshot_minidump_test.cc',
         'win/pe_image_annotations_reader_test.cc',
         'win/process_reader_win_test.cc',
         'win/system_snapshot_win_test.cc',
       ],
       'conditions': [
         ['OS=="mac"', {
+          'dependencies': [
+            'crashpad_snapshot_test_no_op',
+          ],
           'link_settings': {
             'libraries': [
               '$(SDKROOT)/System/Library/Frameworks/OpenCL.framework',
             ],
           },
         }],
       ],
     },
     {
       'target_name': 'crashpad_snapshot_test_module',
       'type': 'loadable_module',
       'dependencies': [
         '../client/client.gyp:crashpad_client',
         '../third_party/mini_chromium/mini_chromium.gyp:base',
       ],
       'include_dirs': [
         '..',
       ],
       'sources': [
         'crashpad_info_client_options_test_module.cc',
       ],
     },
   ],
+  'conditions': [
+    ['OS=="mac"', {
+      'targets': [
+        {
+          'target_name': 'crashpad_snapshot_test_no_op',
+          'type': 'executable',
+          'sources': [
+            'mac/mach_o_image_annotations_reader_test_no_op.cc',
+          ],
+        },
+      ],
+    }],
+  ],
 }